export CFLAGS="-march=i486 -mtune=i686 -Os -pipe"
export CXXFLAGS="-march=i486 -mtune=i686 -Os -pipe"
export PKG_CONFIG_PATH=/usr/lib/pkgconfig:/usr/local/lib/pkgconfig

libcanberra-0.24
----------------
load libtool & dev, libltdl, pulseaudio, gstreamer & dev, gst-plugins-base & dev, gtk2 & dev, libglademm, ogg-vorbis-dev, alsa-dev, libsndfile-dev, flac-dev  extensions

./configure --prefix=/usr/local

configure:17455: $PKG_CONFIG --exists --print-errors " gtk+-2.0 >= 2.20.0 gthread-2.0 "
Requested 'gtk+-2.0 >= 2.20.0' but version of GTK+ is 2.18.7

make
sudo make install

libcanberra-0.23
----------------